
Exoplanet Anniversary: From Zero to Thousands in 20 Years
October 6 marks the 20th anniversary of the first discovery of a planet orbiting a sun-like, or "normal," star beyond our solar system. The planet, called 51 Pegasi b, belongs to a class of planets ... more
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Pluto's Small Moons Nix and Hydra
This week's beautiful Charon images remind us that Pluto is not just one body; it's a whole system of worlds. Pluto and its largest moon Charon dance around each other, making circles around their common center of mass, which lies in an empty space ... more
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Fossil fuels harm health from 'cradle to grave': report
Trash, mulch and security: All jobs for troops in Washington
Rising oceans to threaten 1.5 million Australians by 2050: report
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New Horizons Finds Blue Skies and Water Ice on Pluto
The first color images of Pluto's atmospheric hazes, returned by NASA's New Horizons spacecraft last week, reveal that the hazes are blue. "Who would have expected a blue sky in the Kuiper Belt? It' ... more
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Perfectly accurate clocks turn out to be impossible
Can the passage of time be measured precisely, always and everywhere? The answer will upset many watchmakers. A team of physicists from the universities of Warsaw and Nottingham have just shown that ... more
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ASU Mars images star in 'The Martian'
Images of Mars taken by a visual and infrared camera designed at Arizona State University take a star turn in the new hit movie "The Martian." Last November, the film production company for "The Mar ... more
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NASA Challenge Seeks Ways to Use Mars' Natural Resources for Astronauts
Living off the land is different when the land is 140 million miles away, so NASA is looking for innovative ideas to use in situ (in place) Martian resources to help establish a human presence on th ... more
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Wet paleoclimate of Mars revealed by ancient lakes at Gale Crater
We have heard the Mars exploration mantra for more than a decade: follow the water. In a new paper published October 9, 2015, in the journal Science, the Mars Science Laboratory (MSL) team presents ... more
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